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What is the usual period for cosine?
2pi radians or 360 degrees It is the same as Sine period , except that the curve is shifted by pi/2 radians ( 90 degrees)
A full rotation?
360 degrees or 2(pi) radians of angle.
Convert 60 to radians rounded to the nearest hundredth?
60.00
Why is 90 degrees taken as angle of reference in trigonometry?
It is not. The angle of reference is 2*pi radians or 360 degrees.
What kind of angle is 2 pi over 3?
To convert angles from radian mode to degree mode. Remember 180 degrees = pi radians . So 2pi /3 radians = 2(180)/3 = 120 degrees. 120 degrees is an obtuse angle.
How do you change 7 degrees into radians?
Since 360 degrees equals 2 pi radians, to convert 7 degrees to radians simply divide by 360 and multiply by 2 times pi, giving 0.122 radians.
Is 360 degrees equal to 3.14 radians?
No, 360 degrees is equal to 2 pi radians, or about 6.28 radians.
Does pi over 4 equal 45 degrees?
pi/4 radians = 45 degrees. 2pi radians = 360 degrees pi radians = 180 degrees pi/2 radians = 90 degrees pi/4 radians = 45 degrees pi/3 radians = 60 degrees. et seq.,
What does a zero with a horizontal line through it mean?
It means a central angle measured in radians. ex. Convert 360 degrees radians. 180 degrees = pi radians so 360 degrees = pi radians/180 degrees = 360pi radians/180 = 2 pi radians
What is 2.5 radians in decimal degrees?
2.5 radians is about 143 degrees. (2.5 / 2 pi * 360)
How do you change 20.24581 pie radians into degrees?
1160
What is 540 degrees in radians?
3 x pi radians as 360° is 2 x pi radians
How do you change degrees to radians in geometry?
Multiply the degrees by pi and divide by 180.
How do you change 7 pie radians into degrees?
The formula for converting radians to degrees is the given angle in radians multiplied by (180 degrees / pi), so in this case, 7 pi radians would be equal to 1260 degrees. (By the way, the greek letter pi isn't spelled with an e).
How do you convert 18 degrees to radians expressing the answer as a multiple of pi?
A radian is an arc of a circle whose size is the same as its radius and in degrees it is about 57.3 degrees because there are 360 degrees around a circle and so 2*pi radians = 360 degrees. 2 pi = 360 degrees therefore 18 degrees = 2 pi x 18/360 radians = 0.1 pi radians
What is 70 degrees equal to?
Since 90 degrees is pi/2 radians, 70 degrees would be (7/9*pi/2)=7pi/18 radians.
How do you convert the angle in radians to degrees?
pi radians = 180 degrees, or 3.141592... radians = 180 degrees. So if you have 1 radians, then x degrees/ 1 radians = 180 degrees / 3.141592... radians Hence x degrees = 180 degrees X 1 radians / 3.141592... radians = 57.29577851 degrees. ( the answer)
